wednesDAY, 16AN EVENING WITH COUNTRY MUSIC'S DON WILLIAMS LakelandWHEN: 7:30 p.m. TICKETS: $36.50-$66.50. LOCATION: Youkey Theatre, The Lakeland Center. 834-8111.MARTIN LUTHER KING JR. CELEBRATION LUNCHEON LakelandWHEN: 11:30 a.m. TICKETS: Free. LOCATION: Room LTB 1100, Lakeland Technology Building, Polk State College. RSVP (by Jan. 11) at 297-1095."THE PIANO LESSON" St. PetersburgAugust Wilson; drama. It is 1936, and Boy Willie has an opportunity to buy some land, but has to come up with the money right quick. He wants to sell an old family piano, but the piano is covered with incredible carvings detailing the family's rise from slavery. An American Stage production. WHEN: Jan. 16 through March 3. TICKETS: TBA. LOCATION: 163 Third St. N. 727-823-PLAY.